Tag Archives: GIA

March, 2020

• 3 March

  GIA SUSPENDS DIAMOND SEALING SERVICES INDEFINITELY

  

  GIA (Gemological Institute of America) will suspend diamond sealing services. The Institute is taking this action after recently encountering a small number of GIA sealing packets that had been compromised by third parties after the sealing packets left GIA. In these instances, GIA determined that the diamonds originally enclosed in …

December, 2014

• 23 December

  BEYOND BLUE: A RAINBOW OF TOPAZ COLOURS

  

  Did You Know? Many consumers know topaz simply as an inexpensive blue gem, but you might be surprised to learn its blue colour is rarely natural – it’s almost always colourless topaz that’s been treated to give it this blue colour. You might also be surprised to learn that topaz …

March, 2014

• 17 March

  PEARLS FOREVER FASHIONABLE!

  Text and photos courtesy: GIA Pearls are the original treasure of the seas. These enchanting gems have caught the fancy of royalty and commoners alike.  So if you are looking to buy a new strand of pearls or a designer pearl ring, let us help you understand the basics so …

December, 2012

• 26 December

  HOW COLOR HAPPENS IN DIAMONDS

  When visible white light enters a diamond, the stone absorbs some of the spectral bands, or wavelengths, and returns, or transmits, others to the viewer’s eye. This process of selective absorption determines the color of any material, including diamond. The colors that return to the viewer’s eye and give an object its …
• 26 December

  DIAMOND FORECAST REMAINS UNCERTAIN

  While demand for diamonds worldwide is expected to grow slightly next year, the outlook for rough production is less certain. De Beers is unsettled going into 2013 after the resignation of the CEO of its corporate parent, Anglo American Corp. Cynthia Carroll also had been named De Beers’s chairman shortly before …